[INFO] fetching crate try-lock 0.2.3...
[INFO] testing try-lock-0.2.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate try-lock 0.2.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate try-lock 0.2.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try-lock 0.2.3
[INFO] finished tweaking crates.io crate try-lock 0.2.3
[INFO] tweaked toml for crates.io crate try-lock 0.2.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a480b5c83498d3f006f26c6d8c34c322ff5a3c68d1523a68ab2b0e5cc6e13027
[INFO] running `Command { std: "docker" "start" "-a" "a480b5c83498d3f006f26c6d8c34c322ff5a3c68d1523a68ab2b0e5cc6e13027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a480b5c83498d3f006f26c6d8c34c322ff5a3c68d1523a68ab2b0e5cc6e13027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a480b5c83498d3f006f26c6d8c34c322ff5a3c68d1523a68ab2b0e5cc6e13027", kill_on_drop: false }`
[INFO] [stdout] a480b5c83498d3f006f26c6d8c34c322ff5a3c68d1523a68ab2b0e5cc6e13027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffeb508662bce88bc4db79be8f059c7b4966f58ed30d202909c5c5aa0e58e8d5
[INFO] running `Command { std: "docker" "start" "-a" "ffeb508662bce88bc4db79be8f059c7b4966f58ed30d202909c5c5aa0e58e8d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-lock v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ffeb508662bce88bc4db79be8f059c7b4966f58ed30d202909c5c5aa0e58e8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffeb508662bce88bc4db79be8f059c7b4966f58ed30d202909c5c5aa0e58e8d5", kill_on_drop: false }`
[INFO] [stdout] ffeb508662bce88bc4db79be8f059c7b4966f58ed30d202909c5c5aa0e58e8d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb310f1594944f1561b4a28dae2d8ba1de1aa579a07a8bcb814042fc3f9c507
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4eb310f1594944f1561b4a28dae2d8ba1de1aa579a07a8bcb814042fc3f9c507", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-lock v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4eb310f1594944f1561b4a28dae2d8ba1de1aa579a07a8bcb814042fc3f9c507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb310f1594944f1561b4a28dae2d8ba1de1aa579a07a8bcb814042fc3f9c507", kill_on_drop: false }`
[INFO] [stdout] 4eb310f1594944f1561b4a28dae2d8ba1de1aa579a07a8bcb814042fc3f9c507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99634d5b45fe66e84afa5d4db04f912801e80876524b4fe71a70d17be15ae2aa
[INFO] running `Command { std: "docker" "start" "-a" "99634d5b45fe66e84afa5d4db04f912801e80876524b4fe71a70d17be15ae2aa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/try_lock-8e547834716a4b30
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::fmt_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests try-lock
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99634d5b45fe66e84afa5d4db04f912801e80876524b4fe71a70d17be15ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99634d5b45fe66e84afa5d4db04f912801e80876524b4fe71a70d17be15ae2aa", kill_on_drop: false }`
[INFO] [stdout] 99634d5b45fe66e84afa5d4db04f912801e80876524b4fe71a70d17be15ae2aa